可以正常下载数据，但按更新数据会报错
Traceback (most recent call last):
File "C:\veighna_studio\lib\site-packages\vnpy_datamanager\ui\widget.py", line 384, in update_data
self.engine.download_bar_data(
File "C:\veighna_studio\lib\site-packages\vnpy_datamanager\engine.py", line 211, in download_bar_data
data: List[BarData] = self.datafeed.query_bar_history(req)
File "C:\veighna_studio\lib\site-packages\vnpy_rqdata\rqdata_datafeed.py", line 161, in query_bar_history
df: DataFrame = get_price(
File "C:\veighna_studio\lib\site-packages\rqdatac\decorators.py", line 150, in wrap
return func(*args, **kwargs)
File "C:\veighna_studio\lib\site-packages\rqdatac\services\get_price.py", line 83, in get_price
df = _get_price(
File "C:\veighna_studio\lib\site-packages\rqdatac\services\get_price.py", line 156, in _get_price
order_book_ids, stocks, funds, indexes, futures, futures888, spots, options, convertibles, repos = classify_order_book_ids(
File "C:\veighna_studio\lib\site-packages\rqdatac\services\get_price.py", line 276, in classify_order_book_ids
ins_list = ensure_instruments(order_book_ids, market=market)
File "C:\veighna_studio\lib\site-packages\rqdatac\validators.py", line 182, in ensure_instruments
raise ValueError("order_book_ids: at least one valid instrument expected, got none")
ValueError: order_book_ids: at least one valid instrument expected, got none
